What time does the security check at Kunming Changshui Airport start in the morning?

Kunming Changshui Airport has security checks starting at 5:40 in the morning. According to relevant public information, the morning peak of passenger security check at Kunming Changshui Airport starts from 5:40 am and ends at 8:30 am; the second security check peak is from 9:30 am to 12:00 noon; the third security check peak is from 9:30 am to 12:00 noon. From 6:30 p.m. to 9 p.m.